Finding the Fourth Proportional to 68,337.20, 102,506.04 and 33,246.80
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Solution
The fourth proportional to 68,337.20, 102,506.04 and 33,246.80 is: 49,870.32
Step by Step Solution
- Step 1: Write the proportion equation
68,337.20 : 102,506.04 = 33,246.80 : x - Step 2: Convert to fraction form
68,337.20/102,506.04 = 33,246.80/x - Step 3: Cross multiply
68,337.20x = 102,506.04 × 33,246.80 - Step 4: Simplify right side
68,337.20x = 3,407,997,810.67 - Step 5: Solve for x
x = 3,407,997,810.67/68,337.20 - Step 6: Final answer
x = 49,870.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.